TY - GEN AU - Levitska,G AU - Popsavov,P AU - Buchakliev,Z AU - Rizov,A AU - Baburov,S AU - Ivanova,K AU - Pomakov,P TI - [Comparison of standard and asymmetric screen-film systems in thoracic radiography] SN - 0042-4676 PY - 1997///0218 KW - Humans KW - Radiography, Thoracic KW - instrumentation KW - X-Ray Intensifying Screens N1 - Publication Type: Comparative Study; Journal Article ER -